85556157 has 8 divisors (see below), whose sum is σ = 114360960. Its totient is φ = 56894400.

The previous prime is 85556123. The next prime is 85556161. The reversal of 85556157 is 75165558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85556157 - 2⁸ = 85555901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85556117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34357 + ... + 36762.

It is an arithmetic number, because the mean of its divisors is an integer number (14295120).

Almost surely, 2^85556157 is an apocalyptic number.

It is an amenable number.

85556157 is a deficient number, since it is larger than the sum of its proper divisors (28804803).

85556157 is a wasteful number, since it uses less digits than its factorization.

85556157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71523.

The product of its digits is 210000, while the sum is 42.

The square root of 85556157 is about 9249.6571287805. The cubic root of 85556157 is about 440.6398353035.

The spelling of 85556157 in words is "eighty-five million, five hundred fifty-six thousand, one hundred fifty-seven".